Finding the Fourth Proportional to 146,293,660.10, 201,887,204.22 and 80,213,990.92
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Solution
The fourth proportional to 146,293,660.10, 201,887,204.22 and 80,213,990.92 is: 110,696,378.46
Step by Step Solution
- Step 1: Write the proportion equation
146,293,660.10 : 201,887,204.22 = 80,213,990.92 : x - Step 2: Convert to fraction form
146,293,660.10/201,887,204.22 = 80,213,990.92/x - Step 3: Cross multiply
146,293,660.10x = 201,887,204.22 × 80,213,990.92 - Step 4: Simplify right side
146,293,660.10x = 16,194,178,365,662,548 - Step 5: Solve for x
x = 16,194,178,365,662,548/146,293,660.10 - Step 6: Final answer
x = 110,696,378.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.